Ascension Day is a Christian holiday commemerating the ascension of Jesus into Heaven. Traditionally, Ascension Day is celebrated on a Thursday and is commonly known as Ascension Thursday, Holy Thursday, or the Feast of Ascension. Ascension Day is a ecumenical feast, meaning that it is celebrated universally by Christian churches. Other ecumenical feasts are the feasts of Passion, of Easter, and of Pentecost.